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address pools, you must obtain client IDs. To obtain a device’s client ID, use display dhcp server
ip-in-use to view address binding information on the DHCP server after the device obtains its IP address
through DHCP.
Obtaining the configuration file from the TFTP server
File types
CAUTION:
• There must be a space before the keyword ip host.
• The host name of a device saved in the host name file must be the same as the confi
uration file name
of the device, and can be identical with or different from that saved in the DNS server.
A device can obtain the following files from the TFTP server during automatic configuration:
• The configuration file specified by the Option 67 or file field in the DHCP response
• The host name file named network.cfg, which stores mappings between IP addresses and host names.
For example, the host name file can include the following:
ip host host1 101.101.101.101
ip host host2 101.101.101.102
ip host client1 101.101.101.103
ip host client2 101.101.101.104
• The configuration file of a device is named hostname.cfg, where hostname is the host name of the device.
For example, if the host name of a device is aaa, the configuration file of the device is named aaa.cfg.
• The default configuration file is named device.cfg.
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